package com.forenow.demo.demo4;

public class K  {
    public  void m1(X x){
        x.init();
    }
    public X m2(){
        X x=new Y();
        return x;
    }
    public static void main(String[] args) {
        K k=new K();
        X x=new Y();
        k.m1(x);
    }
}
